Severe hemolytic disease of the newborn caused by JKb antibody: Two case reports and literature review
JKb antibody rarely causes severe hemolytic disease in the newborn except in 1 case, required blood exchange transfusion but later died of intractable seizure and renal failure. Here we describe 2 cases of JKb-induced severe neonatal jaundice requiring blood exchange transfusion with good neurologic...
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Veröffentlicht in: | Medicine (Baltimore) 2023-07, Vol.102 (30), p.e34390-e34390 |
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Sprache: | eng |
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Zusammenfassung: | JKb antibody rarely causes severe hemolytic disease in the newborn except in 1 case, required blood exchange transfusion but later died of intractable seizure and renal failure. Here we describe 2 cases of JKb-induced severe neonatal jaundice requiring blood exchange transfusion with good neurological outcome.
Two female Chinese, ethnic Han, term infants with severe jaundice were transferred to us at the age of 5- and 4-day with a total bilirubin of 30.9 and 25.9 mg/dL while reticulocyte counts were 3.2% and 2.2%, respectively. Both infants were not the firstborn to their corresponding mothers. Direct and indirect Coombs' tests were positive, and JKb antibody titers were 1:64 (+) for both mothers. Phototherapy was immediately administered, and a blood exchange transfusion was performed within 5 hours of admission. Magnet resonance image showed no evidence of bilirubin-induced brain damage, and no abnormal neurological finding was detected at 6 months of life.
JKb antibody-induced hemolytic disease of the newborn usually leads to a benign course, but severe jaundice requiring blood exchange transfusion may occur. Our cases suggest good outcomes can be achieved in this minor blood group-induced hemolytic disease of the newborn if identified and managed early enough. |
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ISSN: | 0025-7974 1536-5964 |
DOI: | 10.1097/MD.0000000000034390 |